This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 8 Cell The Unit Of Life – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Golgi Apparatus have originated from the- A) Nucleus. B) Mitochondria. C) Vacuoles. D) Endoplasmic Reticulum. Show Answer Correct Answer: D) Endoplasmic Reticulum. 2. The fluidity of membrane sin plant in cold weather may be maintained by- A) Increasing the proportion of integral proteins. B) Decreasing cholestrol in membrane. C) Increasing the number of phospholpipds with saturated hydroccarbon tails. D) Increasing the number of phospholipids with un saturated hydrocarbons. Show Answer Correct Answer: D) Increasing the number of phospholipids with un saturated hydrocarbons. 3. Which of the following pairs is mismatched? A) Glycocalyx-may be capsule or slime layer. B) Pili-reproduction. C) Cell wall determines shape & prevents from bursting. D) Pili & fimbriae-motility. Show Answer Correct Answer: D) Pili & fimbriae-motility. 4. The microbody primarily found in seeds of castor and sunflower is A) Glyoxysomes. B) Peroxisomes. C) Lysosomes. D) Vacuole. Show Answer Correct Answer: A) Glyoxysomes. 5. Which one of the following is correct for transmembrane proteins in lipid bilayer? A) They are attached on the surface. B) They do not help in transport. C) They act as channel proteins. D) Both a & b. Show Answer Correct Answer: C) They act as channel proteins. 6. Which structure performs the function of mitochondria in bacteria? A) Periplasmic space. B) Nuceloid. C) Chromatophores. D) Mesosomes. Show Answer Correct Answer: D) Mesosomes. 7. Bacteria are each composed of one cell that does not have a membrane-bound organelle. What two terms characterize bacteria? A) Multicellular and Prokaryotic. B) Unicellular and Prokaryotic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unicellular and Prokaryotic. 8. Cells which are secretory in functional have abundant A) Lysosomes. B) Vacuoles. C) Dictyosomes. D) Centrioles. Show Answer Correct Answer: C) Dictyosomes. 9. Organelle X bears ribosomes on its outer surface. Organelle X and organelle Y together give rise to organelle Z which is often referred to as 'Suicide bag' of cells. Identify organelles X, Y and Z and select the incorrect option regarding them. A) Organelle X takes part in formation of proteins. B) Organelle Z is bound by single membrane. C) Organelle Y is the main site of cellular respiration. D) Organelle Z is involved in autophagy. Show Answer Correct Answer: C) Organelle Y is the main site of cellular respiration. 10. The chromosomes in which centromere is situated close to one end are A) Telocentric. B) Sub-metacentric. C) Metacentric. D) Acrocentric. Show Answer Correct Answer: D) Acrocentric. 11. All the statements are correct except- A) The organization of the prokaryotic cells is fundamentally similar. B) Prokaryotes show a wide variety of shapes and functions. C) Few prokaryotes have cell walls. D) There is no well-defined nucleus. Show Answer Correct Answer: C) Few prokaryotes have cell walls. 12. The two sub units of ribosome remain united a critical in level of A) Copper. B) Manganese. C) Magnesium. D) Calcium. Show Answer Correct Answer: C) Magnesium. 13. Basal bodies of cilia and flagella are derived from ..... A) Plasma membrane. B) Genes. C) Centrioles. D) Lysosomes. Show Answer Correct Answer: C) Centrioles. 14. Which of the following components in cell controls all activities in the cell and contains chromosomes consisting of DNA? A) Cell membrane. B) Nucleus. C) Mitochondria. D) Cell wall. Show Answer Correct Answer: B) Nucleus. 15. Longest phase of cell cycle is: A) M phase. B) S phase. C) G1 phase. D) G2 phase. Show Answer Correct Answer: C) G1 phase. 16. Extension of plasma membrane in prokaryotic cell is A) Mesosome. B) Glycocalyx. C) Ribosome. D) Pili. Show Answer Correct Answer: A) Mesosome. 17. Which of the following is true about the internal structure of axoneme A) Central sheath is connected to one of the tubule of each peripheral doublets by a radialspoke. B) Axoneme is not covered by plasma membrane at all. C) Then are only and radial spokes are found. D) Peripheral doublets are not connected with each other. Show Answer Correct Answer: A) Central sheath is connected to one of the tubule of each peripheral doublets by a radialspoke. 18. Rough endoplasmic reticulum is mainly involved in: A) Lipid synthesis. B) Detoxification. C) Protein synthesis. D) Respiration. Show Answer Correct Answer: C) Protein synthesis. 19. Which chemical property is shared by all types of lipids forming the plasma membrane? A) Sugar component. B) Glycerol backbone. C) Phosphate group. D) Hydrophobic region. Show Answer Correct Answer: D) Hydrophobic region. 20. Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptides simultaneously such strings of ribosomes are termed as A) Polysome. B) Polyhederal bodies. C) Plastidome. D) Nucleosomes. Show Answer Correct Answer: A) Polysome. 21. Which one of the following pairs is correctly matched [MP PMT 1993] A) Microsomes Participate in the process of photosynthesisB) Lysosomes Involved in synthesizing acids C) Endo. Reticulum Plays role in the formation of a new nuclear membrane during cell division D) Centrosomes Provide enzymes required in the digestive process A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 22. Which of the following events does not occur in rough endoplasmic reticulum? A) Cleavage of signal peptide. B) Protein glycosylation. C) Protein folding. D) Phospholipid synthesis. Show Answer Correct Answer: D) Phospholipid synthesis. 23. Extranuclear inheritance is due to the presence of genes in A) Mitochondria and chloroplasts. B) Nucleus and mitochondria. C) Nucleus and chloroplasts. D) Endoplasmic reticulum and mitochondria. Show Answer Correct Answer: A) Mitochondria and chloroplasts. 24. Eukaryotic cells possess a cytoskeleton of ..... A) Microtubules, microfilaments and cytoplasm. B) Microtubules, microfilaments and protoplasm. C) Microtubules, microfilaments and proteins. D) None of the above. Show Answer Correct Answer: A) Microtubules, microfilaments and cytoplasm. 25. Read the given statements and select the correct option.Statement 1:Peroxisomes are involved in photorespiration of the plant cells and help in the lipid metabolism of animal cells.Statement 2:Peroxisomes are the cell's garbage disposal system. A) Both statements 1 and 2 are correct. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: B) Statement 1 is correct but statement 2 is incorrect. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 8 Cell The Unit Of Life Quiz 1Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 2Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 3Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 4Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 5Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 6Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 7Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 8Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 9Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books